Functionalization of Inorganic Materials as Heterogeneous Catalyst for Selective Oxidation Reactions

在本研究计划中，我们创造了一种有效的方法来设计使用层状粘土材料的非均相纳米结构催化剂（羟基磷灰石、蒙脱石和水滑石）作为大配体用于使用分子氧作为氧化剂的选择性氧化，碳-碳键形成反应，还有一个-我们发现，我们的催化体系，包括非均相金属催化剂，可以提供显着的好处，在实现简单和清洁，这些催化剂具有以下优点：（i）它们允许使用无污染的氧化剂，（ii）它们具有高催化活性和选择性，（iii）它们允许简单的后处理程序和容易的催化剂回收，（v）它们是可再循环的，和（iv）它们允许一锅顺序反应。通过应用配位化学的概念，我们开发了一种制备纳米结构金属物种的方法，该方法比以前的固体支撑金属催化剂的合成方法简单得多，并为制备催化活性位点提供了强有力的协议。

In this research project, we created an effective approach to designing heterogeneous nano-structured catalysts using layered-clay materials (hydroxyapatite, montmorillonite, and hydrotalcite) as macroligands for selective oxidations using molecular oxygen as an oxidant, carbon-carbon bond-forming reactions, and one-pot syntheses.We found that our catalytic systems including the heterogeneous metal catalysts can offer significant benefits in achieving simple and clean materials transformation because they have the following advantages: (i) they allow the use of non-polluting oxidants, (ii) they possess high catalytic activity and selectivity, (iii) they allow a simple work-up procedure and easy recovery of the catalyst, (v) they are recyclable, and (iv) they allows one-pot sequential reaction. By applying concepts from coordination chemistry, we have developed a preparation for nano-structured metal species that is much simpler than previous synthetic methods for solid-supported metal catalysts, and provides a strong protocol for preparing catalytically active sites.